Unit 4 Space Exploration二-2025-2026学年高中英语词汇真题精讲必修第三册（人教版）

高中人教 【必修三】 Unit 4 Space Exploration 空间探索 【Unit4】Space Exploration 宇宙探索词汇精讲 本单元核心词汇 atmosphere/'etm3sfia(r)/n.大冒.的风险 障：关卡 气层：大气：气氛 take risks(a risk)冒险 breakthrough /'breikeru:/n. atmospheric/,etmas'ferik/adj.survive/sa'vaIv/vi.&t.幸存：破；重大进展 大气的：大气层的：有氛围的存活；继续存在：比活得长achieve /a'tfi:v/t.实现：达到： oxygen/pksid3n/n.氧气；氧survival/sa'vavl/n.生存：存完成 oxygen tank氧气罐 活：幸存事物 achievement /a'tfi:vmant/n. vacuum/'vakjuam/n.真空；真survivor/sa'varva()/n.幸存者：就；成绩：达到 空状态；ad.真空的：利用真空生还者：残存物 accomplish/A'kAmplif/vt.完成： 的 challenge'tfaelId3/n.挑战：艰实现；达到 radiation/.reidi'e1n/m.辐射；放巨任务；t.怀疑；向..挑战goal/g3o/n.目标：球门：射门 射物；辐射能 challenging/tfaelmd3四/adj.具aim/em/n.目标：目的：瞄准： radioactive/reidiau'aektrv/adj.有挑战性的；困难的 vi.&t.瞄准；旨在：致力于 放射性的：有辐射的 overcome/,Uva'km/t.(over-aim at瞄准；旨在：致力于 hazard/'haezad/n.危险：危害；came,overcome)克服；战胜：解attempt /a'tempt/t.企图；试 t.冒.的危险 决 图：尝试：n.尝试：努力 dangerous/demd3ars/adj.危obstacle/'pbstak/n.障碍：阻make an attempt to do sth.试图 险的：不安全的 碍：障碍物 做某事 risk /risk/n.风险；危险；t.barrier /'baeria(r)/n.障碍：屏 直击真题高效讲 真题解析 1.真题1 -The Earth's_protects us from harmful radiation from space. A.atmosphere B.vacuum C.oxygen 答案：A 高中人教 【必修三】 Unit 4 Space Exploration 核心词汇：atmosphere/'etmasfi()/n.大气层：大气：气氛 核心知识点： 词性：可数名词，复数形式atmospheres。 搭配：the Earth's atmosphere(地球大气层)：create a good atmosphere(营造良好氛围)。 2.真题2 Astronauts need to carry an-when they walk in space because there's no air. A.oxygen tank B.radiation C.vacuum 答案：A 核心词汇：oxygen tank氧气罐 核心知识点： 搭配：carry an oxygen tank(携带氧气罐)：oxygen(氧气，不可数名词)+tank(罐)构成复 合名词。 3.真题3 Exposure to high levels ofcan cause serious health problems A.radioactive B.radiation C.hazard 答案：B 核心词汇：radiation/reidi'en/n.辐射：放射物：辐射能 核心知识点： 词性：不可数名词。 搭配：harmful radiation(有害辐射)：nuclear radiation(核辐射)。 4.真题4 It'sto climb mountains alone without proper equipment. A.dangerous B.hazard C.risk 答案：A 核心词汇：dangerous/'dend3ar3s/adj.危险的；不安全的 核心知识点： 词性：形容词，名词形式danger。 搭配：dangerous to do sth.(做某事有危险)：a dangerous journey（危险的旅程)。 5.真题5 You have to_many difficulties if you want to achieve your goals 2 高中人教 【必修三】 Unit 4 Space Exploration A.overcome B.challenge C.survive 答案：A 核心词汇：overcome/,ova'kAm/t.(overcame,overcome)克服：战胜；解决 核心知识点： 词性：及物动词，过去式overcame,过去分词overcome 搭配：overcome difficulties(克服困难)；overcome fear(战胜恐惧)。 6.真题6 Lack of communication is a major-to understanding between people. A.barrier B.obstacle C.breakthrough 答案：A 核心词汇：barrier/'baris(r)/n.障碍：屏障；关卡 核心知识点： 词性：可数名词，复数形式barriers。 搭配：a barrier to..(.的障碍)：language barrier(语言障碍)。 7.真题7 Scientists have made a great_in the treatment of cancer. A.achievement B.breakthrough C.goal 答案：B 核心词汇：breakthrough/brek0u:/n.突破：重大进展 核心知识点： 词性：可数名词，复数形式breakthroughs。 搭配：make a breakthrough(取得突破)：scientific breakthrough(科学突破)。 8.真题8 She finally-her dream of becoming a doctor after years of hard work A.achieved B.accomplished C.attempted 答案：A 核心词汇：achieve/Ati:v/t.实现：达到：完成 核心知识点： 词性：及物动词，名词形式achievement。 3 高中人教 【必修三】 Unit 4 Space Exploration 搭配：achieve a goal/dream(实现目标/梦想)：achieve success(取得成功)。 9.真题9 Our team willto win the championship in the coming competition. A.aim B.attempt C.risk 答案：B 核心词汇：attempt/'tempt//vt.企图：试图；尝试；n.尝试；努力 核心知识点： 词性：动词/名词。 搭配：attempt to do sth.(试图做某事)：make an attempt（做出尝试)。 10.真题10 Many people lost their homes in the earthquake,but luckily there were some A.survivors B.survival C.survive 答案：A 核心词汇：survivor/sa'varva(r)/n.幸存者；生还者；残存物 核心知识点： 词性：可数名词，由动词survive(幸存)+后缀-or构成。 搭配：earthquake survivors(地震幸存者)：a survivor of the accident(事故幸存者)。 11.真题11 Mountaineering is a_sport that requires both physical strength and mental courage. A.challenging B.challenge C.dangerous 答案：A 核心词汇：challenging/'t∫elnd3四/adj.具有挑战性的：困难的 核心知识点： 词性：形容词，由动词challenge(挑战)+后缀-ing构成。 搭配：a challenging task(一项有挑战性的任务)；challenging work(艰巨的工作)。 12.真题12 You should not_taking drugs,as they will destroy your health. A.risk B.hazard C.take risks 4 高中人教 【必修三】 Unit 4 Space Exploration 答案：A 核心词汇：risk /risk/vt.冒的风险：n.风险：危险 核心知识点： 词性：动词/名词。 搭配：risk doing sth.（冒险做某事)take a risk(冒险)。 13.真题13 The-of the experiment was to find a new way to produce clean energy. A.aim B.goal C.attempt 答案：A 核心词汇：aim/em/n.目标；目的；瞄准；vi.&t.瞄准：旨在；致力于 核心知识点： 词性：名词/动词。 搭配：the aim of..(..的目的)：aim at doing sth.(旨在做某事)。 14.真题14 We need to wear special clothes to protect ourselves from-substances in the lab A.radioactive B.radiation C.dangerous 答案：A 核心词汇：radioactive/reidiau'aektIv//adj.放射性的：有辐射的 核心知识点： 词性：形容词，名词形式radioactivity。 搭配：radioactive substances(放射性物质)：radioactive waste(放射性废料)。 真题精准训练 实战演练 一、 单项选择 1.The around the Earth helps block harmful rays from the sun. A.atmosphere B.vacuum C.oxygen 5 高中人教 【必修三】 Unit 4 Space Exploration 2.Astronauts must carry an to breathe in space. A.oxygen tank B.radiation C.vacuum 3.Too muchfrom the nuclear plant can harm people's health A.radioactive B.radiation C.hazard 4.It is to swim in deep water without adult supervision. A.dangerous B.hazard C.risk 5.We need to_our shyness to make more friends. A.overcome B.challenge C.survive 6.Language differences can be ato international communication. A.barrier B.obstacle C.breakthrough 7.The team's main is to win the regional competition this year A.aim B.goal C.attempt 二、用所给单词的适当形式填空 1.The scientists made a great(breakthrough)in cancer research. 2.She finally(achieve)her dream of becoming a doctor. 3.Mountaineering is a highly_(challenge)activity. 4.You should not_(risk)driving in such bad weather 5.There are many_(survive)from the flood waiting for help 6.The_(radioactivity)waste must be handled carefully. 6 高中人教 【必修三】 Unit 4 Space Exploration 三、首字母填空 1.The Earth's aprotects us from space radiation. 2.You need to o_many difficulties to succeed. 3.Lacking communication is a bto mutual understanding 4.Exposure to high levels of ris harmful to health. 5.Carrying an oxygen t is necessary for astronauts in space. 四、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 Space exploration is a challenging task.Astronauts face many dangers,such as harmful 1.-(radi- ation)and extreme temperatures.To survive in space,they must wear special suits and carry 2._ (oxygen)tanks.The Earth's 3.-(atmosphere)acts as a natural shield,but in space,there is no such protection. Scientists work hard to 4.(overcome)these challenges.Each new mission is an 5.-(attempt)to learn more about the universe.A recent 6.-(breakthrough)in technology has made long-duration space travel possible.Astronauts now 7.-(aim)to build a base on Mars,which will be a major 8. (achieve)for humanity. 参考答案 I.单项选择 1.A2.A3.B4.A5.A6.A7.A Ⅱ用所给单词的适当形式填空 1.breakthrough 2.achieved 3.challenging 4.risk 5.survivors 6.radioactive ⅡL首字母填空 1.atmosphere 2.overcome 3.barrier 4.radiation 5.tank V.语篇填空 1.radiation 2.oxygen 3.atmosphere 4.overcome 5.attempt 6.breakthrough 7. aim 8.achievement